Lab-on-a-Drone: remote voltammetric analysis of lead in water with real-time data transmission

Anal. Methods, 2023, 15,4827-4833
DOI: 10.1039/D3AY01088K, Paper
João Paulo B. de Almeida, Vinicius de A. Carvalho, Leandro P. da Silva, Maysa L. do Nascimento, Severino B. de Oliveira, Matheus V. Maia, Willian T. Suarez, Carlos D. Garcia, Vagner B. dos Santos
The present work describes a laboratory-on-a-drone (Lab-on-a-Drone) developed to perform in situ detection of contaminants in environmental water samples.
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Preparation of a hydrophilic nanofiber membrane by electrospinning for application in the detection of NO2 by chemiluminescence

Anal. Methods, 2023, 15,5250-5258
DOI: 10.1039/D3AY00936J, Paper
ZhiJin Xie, WenYuan Tan, YaLin Xiong, ShaoLin Deng, Jing Zhang
The strong hydrophobicity of the PVDF membrane is prone to contamination that is hard to clean for long-term usage.
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A spectIR-fluidic reactor for monitoring fast chemical reaction kinetics with on-chip attenuated total reflection Fourier transform infrared spectroscopy

Anal. Methods, 2023, 15,5129-5138
DOI: 10.1039/D3AY00842H, Paper
Nan Jia, Leon Torres de Oliveira, André Bégin-Drolet, Jesse Greener
Infrared spectroscopy combined with customized microfluidic reactor yields the SpectIR-fluidic reactor. We validate the tool using a proton transfer reaction and demonstrate its ability to follow reactions after just 130 milliseconds of mixing.
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An indirect competitive assay-based method for the sensitive determination of tetracycline residue using a real-time fluorescence-based quantitative polymerase chain reaction

Anal. Methods, 2023, 15,4892-4899
DOI: 10.1039/D3AY01072D, Paper
Tianying Sheng, Hanyu Chen, Yingying Lei, Baozhong Zhang, Huina Zhu
A new method that is highly sensitive in the detection of TC residues has been established based on an indirect competition method and real-time fluorescence-based quantitative polymerase chain reaction.
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Simultaneous detection of dopamine and ascorbic acid by using a thread-based microfluidic device and multiple pulse amperometry

Anal. Methods, 2023, 15,4862-4869
DOI: 10.1039/D3AY00693J, Paper
Vanessa W. dos Santos, Gustavo Martins, Jeferson L. Gogola, Cristiane Kalinke, Deonir Agustini, Márcio F. Bergamini, Luiz H. Marcolino-Junior
This study presents a novel approach for the simultaneous detection of ascorbic acid (AA) and dopamine (DA) using an affordable and user-friendly microfluidic device.
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An electrochemically fabricated ZIF-67/[HOEMIM]BF4 coating for the solid-phase microextraction and detection of polycyclic aromatic hydrocarbons

Anal. Methods, 2023, 15,4883-4891
DOI: 10.1039/D3AY01174G, Paper
Jingwen Lin, Xuening Gao, Linbo Gong, Xiaoqing Zhang, Tianning Li, Faqiong Zhao, Baizhao Zeng
A novel coating named ZIF-67/[HOEMIM]BF4 was fabricated through in situ potentiostatic electrodeposition. This developed method provided a simple process with reduced processing time, enhanced extraction performance and improved practicality.
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Development of an image-based fluorometer with smartphone control for paper analytical devices

Anal. Methods, 2023, 15,4954-4963
DOI: 10.1039/D3AY01020A, Paper
Dênis Omael Silva Pereira, Mariana Mourão Matos, Alexandre Fonseca
This work describes the construction and evaluation of a fluorometer for use in paper analytical devices, using a smartphone to operate the instrument and to perform real-time image-based detection.
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Microplastic in situ detection based on a portable triboelectric microfluidic sensor

Anal. Methods, 2023, 15,4718-4727
DOI: 10.1039/D3AY01286G, Paper
Abbas Motalebizadeh, Somayeh Fardindoost, Julia Jungwirth, Nishat Tasnim, Mina Hoorfar
This study reports a triboelectric microfluidic sensor for in situ measurement of the size and concentration of microplastics in water sources for environmental detection.
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Super-resolution Raman imaging towards visualisation of nanoplastics

Anal. Methods, 2023, Advance Article
DOI: 10.1039/D3AY01176C, Paper
Cheng Fang, Yunlong Luo, Ravi Naidu
Through algorithmic enhancements, general confocal microscopy can effectively break through the diffraction limit of excitation light, enabling super-resolution Raman imaging for precise nanoplastic detection and visualisation.
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